Early Math by L'Escapadou 4+‎

Help kids understand early math thanks to virtual manipulatives! Sandboxes included in these apps will allow kids to discover how math works by themselves.
_____

Montessori Numbers is designed to help build sound mathematical foundations in children aged 3-7 by using a concrete, visually significant material inspired by the Montessori methodology.
• "This is a must-have app, for any early learning setting" - Editor's Choice - 4.8 stars out of 5 -Children's Technology Review
•"A fantastic app for helping the young students understand the relationship between numbers and the quantity they stand for” - NBCNews.com
• 26,000 units sold to US schools!

Montessori Numbers offers a sequence of guided activities that gradually help children reinforce their skills. Each activity offers several levels of increasing complexity.

• Learn to count up to 999
• Experiment with quantities and learn their names
• Learn the numerals and their names
• Understand the relationship between numbers and quantities
• Understand the decimal system and place value
• Master the numerical order
• Learn to trace numbers

_____

Math Wizard a fun, unique, and innovative approach to basic algebra for children ages 5 to 12
•"Fun new way to learn math" - US App Store
•"Highly recommended" - teacherswithapps.com

SANDBOX
Thanks to its Sandbox allowing users to create and interact with mathematical expressions freely, the application helps kids to learn and understand:

• What are addition and subtraction, visually showing them "how it works"
• What do we mean by an equality and an inequality
• What are math symbols ( +, -, =, >,<)
• How to manipulate terms of math expressions and equations (like isolating a variable or moving a number)

EXERCISES
With hundreds of built-in exercises, children can practice mental arithmetic and learn the rules of algebra. You can even create new exercises yourself!